Other
- Pactiv, NYSE ticker symbol PTV, manufacturer of Hefty products and packaging
- Particle tracking velocimetry, a velocimetry method, i.e. a technique to measure velocity of particles
- PTV (car), a microcar built in Manresa, near Barcelona, by Automoviles Utilitarios S. A.
- Public Transport Victoria, the statutory body overseeing public transport in Victoria, Australia
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